<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>DEMO001</title>
<link rel="stylesheet" type="text/css" href="demo.css"/>
</head>
<body>
<div id="total">
<div id="head">
<div id="name">
DEMO
</div><!-- name -->
<div id="btn1" title="主页" onclick="window.open('second.html','_self')"></div>
<div id="btn2" title="网站信息" onclick="window.open('third.html','_self')"></div>
<div id="btn3" title="标题3"></div>
<div id="btn4" title="登陆页面"></div>
</div><!-- head -->
<div id="login">
<div id="headoflogin"><p>LOGIN</p></div>
<div id="contentoflogin">
<div id="form">
<form action=# method="post" id="loginform">
<table>
<tr>
<td id="pid">
<input  type="text" value="请输入您的账号" id="enterid" />
</td>
</tr>
<tr>
<td id="ppw">
<input type="password" value="请输入您的密码" id="enterpw" />
</td>
</tr>
</table>
</form>
</div>
<div id="bottom1" onclick="window.open('second.html','_self')"><p>Enter</p></div>
</div>
</div><!-- login -->
</div><!-- total -->
</body>
</html>